28F002BV データシートの表示（PDF） - Intel

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28F002BV

2-MBIT SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY

Intel 

E

2-MBIT SmartVoltage BOOT BLOCK FAMILY

Start

Write B0H

Write 70H

Read Status Register

SR.7 =

1

SR.6 =

1

Write FFH

0

0

Erase Completed

Read Array Data

Bus

Operation

Write

Write

Read

Read

Standby

Standby

Standby

StWanridteby

RWeriated

WReriated

Write

Command

Comments

EraSPseurosSgpureasnmpdend

Data = B0H

Addr = X

Read Status

Data=70H

Addr=X

Status Register Data Toggle

CE# or OE# to Update Status

Register Data

Addr = X

Check SR.7

1 = WSM Ready

0 = WSM Busy

Read Array

Check SR.6

1 = Erase Suspended

0 = Erase Completed

Read Array

Data = FFH

Addr = X

Program

Resume

Read array data from block

other than the one being

programmed.

Erase Resume

Data = D0H

Addr = X

Done

No

Reading

Yes

Write D0H

Write FFH

Erase Resumed

Read Array Data

Figure 11. Erase Suspend/Resume Flowchart

0530_11

SEE NEW DESIGN RECOMMENDATIONS

25

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